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Hydroxylammonium phosphate (3:1)

Also known as: HYDROXYLAMINE PHOSPHATE, HYDROXYLAMINE PHOSPHATE SALT (3:1), HYDROXYLAMMONIUM PHOSPHATE, Hydroxyamine phosphate, Hydroxylamine phosphate salt (3:1),98%, hydroxylammonium phosphate (3:1)

Hydroxylammonium phosphate (3:1) (CAS 20845-01-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H12N3O7P and a molecular weight of 197.08400 g/mol. Key properties include a melting point of 169-171ºC(lit.) and a boiling point of 158ºC at 760mmHg. It is classified under GHS with signal word Danger and hazard statements H201, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 4, 2026.

CAS No.
20845-01-6
Jingsj CID
J-1327048-5
Molecular Formula
H12N3O7P
Molecular Weight
197.08400 g/mol
Category
Inorganic Chemicals
Last updated
11/4/2026
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Physicochemical Properties

Melting Point169-171ºC(lit.)
Boiling Point158ºC at 760mmHg
Exact Mass197.04100
PSA226.32000
Vapor Pressure1.41mmHg at 25°C

GHS Safety & Compliance

Explosive / Flammable / Irritant / Health Hazard / Environmental HazardSignal word: Danger
  • H201
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H351 — Suspected of causing cancer
  • H373 — May cause damage to organs through prolonged exposure
  • H400 — Very toxic to aquatic life

Frequently Asked Questions

What is the CAS number of Hydroxylammonium phosphate (3:1)?

The CAS number of Hydroxylammonium phosphate (3:1) is 20845-01-6.

What are the molecular formula and molecular weight of Hydroxylammonium phosphate (3:1)?

Hydroxylammonium phosphate (3:1) has molecular formula H12N3O7P and molecular weight 197.08400 g/mol.

Is Hydroxylammonium phosphate (3:1) hazardous?

Hydroxylammonium phosphate (3:1) has GHS signal word Danger and hazard statements H201; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Hydroxylammonium phosphate (3:1) (CAS 20845-01-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1327048-5 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.